Questions Asked

Dahn:
Group Title
My question is this: If you roll a 6sided die 6 times, what is the probability that you'll get k different numbers for k=(1,...,6). I can w…
 updated one year ago
 7 replies
 1 Medal

Dahn:
Group Title
I'd like to prove this infinite series formula. Any hints will be very appreciated, thanks.
(Writing the sum in the first post)
 updated 2 years ago
 10 replies
 1 Medal

Dahn:
Group Title
Could comebody identify this function? I'm rather clueless! It does not have an upper bound. https://fbcdnsphotosa.akamaihd.net/hphotosak…
 updated 2 years ago
 9 replies
 No Medals Yet

Dahn:
Group Title
I'm clueless on the reasoning of this:
We can define norm of a vector v as:
v=sqrt(<v,v>)
…
 updated 2 years ago
 8 replies
 No Medals Yet

Dahn:
Group Title
Inner product space question: I have trouble understanding this equality.
<x,y>^2=<x,y>conj(<x,y>)
Where z is absolute value of z
…
 updated 2 years ago
 6 replies
 1 Medal